Didn't find class “com.google.firebase.provider.FirebaseInitProvider”

Question

Before, my program run well. But When I just updated my Android studio to the latest version (2.2 built on 15-sept-16), I am having the following error. When I built it, it says

Answer 1

Add following line to Manifest.xml

Add this sn App level build.gradle file

 defaultConfig {
    multiDexEnabled true
} 
      ......

dependencies {
compile 'com.android.support:multidex:1.0.1'
}